65
52
26
20
The correct option is A65→d1 × →d2 = |^i ^j ^k8 -6 03 4 -2|= 72^i -(-16)^j + 50^k|→d1 × →d2| = √5184 + 9216 + 2500 = √16900 = 130Area = 1/2|→d1 × →d2| = 1/2 × 130 = 65.